that same technology is being used here at home, a lot. not to launch missile strikes of any kind, but as eyes in the sky for a local law enforcement and a lot of other uses. they've got a lot of folks concerned, and some states are moving to ban drones. our report tonight from nbc's john yang in chicago. >> reporter: while the alabama hostage crisis was under way in an underground bunker, authorities had a birds eye view, an unarmed, remote control drone. but there's a growing backlash to the use of similar devices by law enforcement agencies. this week, virginia lawmakers passed what would be the nation's first restrictions on drones. and today in the florida senate, a ban on drones advanced. >> my view is that the government works for us. the government is there to serve us, to protect us. >> reporter: from california to maine, officials in at least 11 states are considering various restrictions. according to government data, drones are being used by more than 40 public agencies and institutions, including at least 17 federal, state and